Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The event or time of the daily disappearance of the sun below the western horizon.
  • n. A decline or final phase: the sunset of an empire.
  • adj. Providing for the automatic termination of a government program or agency unless deliberately reauthorized by law: a state-funded program with a sunset provision.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The time of day when the sun disappears below the western horizon.
  • n. The changes in color of the sky at sunset.
  • n. The final period of the life of a person or thing.
  • n. Having a set termination date.
  • n. The region where the sun sets; the west.
  • v. To phase out.

from the GNU version of the Collaborative International Dictionary of English

  • n. The descent of the sun below the horizon; also, the time when the sun sets; evening. Also used figuratively.
  • n. Hence, the region where the sun sets; the west.

from The Century Dictionary and Cyclopedia

  • n. The descent of the upper limb of the sun below the horizon in the evening; the atmospheric phenomena accompanying the setting of the sun; the time when the sun sets; evening.
  • n. Hence Figuratively, the close or decline.
  • n. The region or quarter where the sun sets; the west. Compare sunrising, 2.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. providing for termination
  • n. atmospheric phenomena accompanying the daily disappearance of the sun
  • n. the daily event of the sun sinking below the horizon
  • n. the time in the evening at which the sun begins to fall below the horizon
  • adj. of a declining industry or technology

Etymologies

sun +‎ set. In Gower's Confessio Amantis, before 1393. (Wiktionary)

Examples

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